package com.my.hotel.service;

import com.my.hotel.entity.serverPage.JdUser;

import java.util.List;

public interface ClientService {
    List<JdUser> getList();
    void addClient(JdUser client);

    void delClient(int delId);

    JdUser getClientById(int id);

    void clientUpdate(JdUser client);

    boolean checkUsername(String username);
}
